Vacuum solenoid valve manufacturers believe that three simple steps can generally be taken, one listening, two viewing, and three testing. Basically, most problems can be judged in the first two steps. The vacuum solenoid valve manufacturers will share with you if the solenoid valve is broken. What a simple way to judge it.

　　一、The vacuum solenoid valve manufacturer recommends listening to the performance of the sound;

　　1. The action speed of the solenoid valve is the fastest among all valves, at the ms level. Under normal circumstances, a "bang" sound will be heard at the moment of power-on, and it is simply neat; 2. There is also a situation where there is a continuous "bang" "Bang" sound, this is generally due to insufficient suction, insufficient voltage or impurities in the valve cavity to cause the valve core to get stuck; 3. There will also be a sound after the AC solenoid valve is energized, but this continuous and stable current sound is normal; 4. If the solenoid valve is activated, the flow sound of the pipeline medium should be heard at this time;

　　二、Vacuum solenoid valve manufacturers recommend to look at the external performance;

　　1. Check whether the coil is wrapped or cracked; 2. Check whether the wiring is damaged; 3. Whether the valve body is cracked, especially some plastic or iron valve bodies, which are easy to age at low temperature or high temperature, this problem may occur ;

　　三、Test internal performance;

　　1. If the coil is good, there will be a magnetic field outside the coil, just try it with an iron nail;

　　2. Touch the temperature of the coil. Except for the high temperature and low temperature solenoid valves, the general solenoid valve will feel warm about half an hour after it is energized.

　　3. The vacuum solenoid valve manufacturer reminds that if it is closed, the sound of water flow or airflow at the outlet of the pipeline can be heard, but it can be clearly felt that the sound is loud when the valve is not opened.